.big{margin-left:20%;}
.input_tp{width: 60%;height: 50px;padding-left: 80px; padding-right: 30px;}
.span_tp{position: absolute;margin-top: 15px;margin-left: 5px;}
.tubiao{width: 30px;  height: 25px; position: absolute;   right: 34%; padding-top: 9px;opacity: 0.5;}
.tubiao img{
	height: 30px;
}
.tubiao:hover{opacity: 1;}
.logo{
	height: 100px;
		width: 100%;
		
}
.logo img{
	height: 100px;
	margin-left: 10%;
}
.taitou{
	height: 10px;
	width: 100%;
	border-bottom: 3px solid green;
}
 .denglu{
 	height: 900px;
 	width: 100%;
 	background: url(img/beijing.jpg);
 	background-size:cover
 }
 .denglukuang{
 	margin: auto;
 	height: 750px;
 	width: 40%;
 	position: absolute;
 	top: 180px;
 	left: 30%;
 	background: #FFFFFF;
 	box-shadow:-5px -2px 6px mediumseagreen inset;  margin:0 auto
 }
 
 .shoujidenglu{
 	height: 50px;
 	width: 100%;
 	font-size: 24px;
 	position: relative;
 	top:30px ;
 	left:13%;
 }
 .dengluanniu{
 	width:60%;
 	height: 50px;
 	
 	background: green;
 	text-align: center;
 	line-height: 50px;
 	font-size: 20px;
 	margin-left: 13%;
 }
 .denglu a{
 	color: #FFFFFF;
 	text-decoration: none;
 }
 .yuedu{
 	height: 50px;
 	width: 100%;
 	text-align: center;
 	line-height: 50px;
 }
 .yewei{
				height: 100px;
				width: 100%;
				
			}
			.tou{
				height: 50px;
				width: 100%;
				text-align: center;
				font-size: 20px;
			}
			.yewei a{
				color: #000000;
				text-decoration: none;
			}
			.yewei a:hover{
				text-decoration: underline;
			}
			.shen{
				height: 50px;
				width: 100%;
				
				text-align: center;
			}
			.baozheng{
				height: 50px;
				width: 100%;
				text-align: center;
			}
			.baozheng img{
				height: 20px;
			}

/* 验证 */
.prompt{
	color:red;
}
.green{color:green;}

			